Haystack is an efficient way to search and discover documents across multiple cloud services and file systems. It helps you find anything you have ever created in the cloud, including on Drive, Box, Evernote, Slack, Asana, and many more.

Search across Drive, Box, Slack, Asana and 20+ cloud solutions at once.Explore the content within files, folders, history, and meta information.Search across all content in your browser history. 

Using Haystack you can find any document in seconds. Just press Alt + F9 and search right from your browser. Keyboard shortcuts allow you to open a file with a single click (or press a button).  It also has a quick way to search your content that you have added in one place.